Senior Manufacturing Engineering

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers and suppliers to build the energy industry of the future.

Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world.

Join the power movement as a Manufacturing Engineer
We are seeking a detail‑oriented, innovative, and results‑driven Manufacturing Engineer to join our team. The successful candidate will be responsible for designing, implementing, and optimizing manufacturing processes to improve productivity, efficiency, and quality across the production line. This role involves close collaboration with design engineers, production staff, quality assurance, and supply chain teams.

Analyze and improve manufacturing processes to reduce costs, increase efficiency, and ensure product quality

Implement Lean Manufacturing and Six Sigma methodologies to enhance production performance

Lead the design and procurement of tools, fixtures, and equipment required for efficient production

Troubleshoot equipment and process issues and implement corrective actionsConduct time and motion studies to determine optimal production methods and labor utilization

Support continuous improvement initiatives and implement best practices across the facility

Ensure compliance with safety regulations, company policies, and industry standards

Evaluate new technologies and automation solutions to enhance manufacturing capabilities

Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, or related field

7+ years of experience in a manufacturing or production engineering role

Strong knowledge of Lean Manufacturing, Six Sigma, and quality systems.

Proficient in CAD software (SolidWorks, AutoCAD, etc.) and manufacturing ERP systems.

Bonus points for:

Perform activities such as typing, standing, stooping, and sitting, for extended periods of time

Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics

Willingness to occasionally travel or work required nights/weekends/on-call

$Salary range for this full‑time position + equity + benefits. Competitive compensation with equity

13 Company‑wide Holidays

Flexible vacation days

Generous parental leave policy

Health, dental, and vision insurance

Professional growth opportunities

Team‑building activities

#At CFS, we excel in fast‑paced environments, driven by our values of integrity, execution, impact, and self‑critique. We value diversity deeply and are proud to be an equal‑opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.